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Get the latest research from NIH: https://www.nih.gov/coronavirus.
Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/.
Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1808 | 1 |
| 1813 | 1 |
| 1815 | 1 |
| 1825 | 1 |
| 1826 | 1 |
| 1828 | 2 |
| 1831 | 1 |
| 1841 | 1 |
| 1842 | 2 |
| 1848 | 1 |
| 1870 | 1 |
| 1894 | 1 |
| 1898 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1921 | 1 |
| 1923 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1932 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1936 | 2 |
| 1937 | 1 |
| 1942 | 4 |
| 1945 | 2 |
| 1946 | 10 |
| 1947 | 20 |
| 1948 | 16 |
| 1949 | 14 |
| 1950 | 14 |
| 1951 | 19 |
| 1952 | 24 |
| 1953 | 15 |
| 1954 | 13 |
| 1955 | 13 |
| 1956 | 13 |
| 1957 | 15 |
| 1958 | 16 |
| 1959 | 18 |
| 1960 | 30 |
| 1961 | 14 |
| 1962 | 23 |
| 1963 | 32 |
| 1964 | 38 |
| 1965 | 33 |
| 1966 | 44 |
| 1967 | 29 |
| 1968 | 30 |
| 1969 | 45 |
| 1970 | 38 |
| 1971 | 44 |
| 1972 | 45 |
| 1973 | 53 |
| 1974 | 50 |
| 1975 | 46 |
| 1976 | 54 |
| 1977 | 70 |
| 1978 | 70 |
| 1979 | 52 |
| 1980 | 68 |
| 1981 | 70 |
| 1982 | 69 |
| 1983 | 85 |
| 1984 | 98 |
| 1985 | 106 |
| 1986 | 91 |
| 1987 | 70 |
| 1988 | 109 |
| 1989 | 104 |
| 1990 | 111 |
| 1991 | 116 |
| 1992 | 107 |
| 1993 | 104 |
| 1994 | 113 |
| 1995 | 109 |
| 1996 | 100 |
| 1997 | 93 |
| 1998 | 112 |
| 1999 | 91 |
| 2000 | 110 |
| 2001 | 136 |
| 2002 | 148 |
| 2003 | 158 |
| 2004 | 149 |
| 2005 | 187 |
| 2006 | 174 |
| 2007 | 193 |
| 2008 | 202 |
| 2009 | 208 |
| 2010 | 198 |
| 2011 | 249 |
| 2012 | 276 |
| 2013 | 308 |
| 2014 | 302 |
| 2015 | 333 |
| 2016 | 341 |
| 2017 | 344 |
| 2018 | 307 |
| 2019 | 276 |
| 2020 | 279 |